31 Jul 6pcs 5V Regulator Mini Reducer DC 5-30V 12V 24V Buck to 5V Buck Converter Boa…
Features: Input Voltage:5-30V Output Voltage:5V/3.3V Output Current: lowering the value of 3A, Conversion Efficiency:96%(maximum) Working Temperature:-40 Celsius to +85 Celsius Note: about the positive and negative poles : when this module, the positive and negative pole marks are on the back of the circuit board...